2007 Confidence Interval Detail
246/Williamson
246-908/Liberty Hill ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 140,427,733 | 0.9389 | 149,566,230 | 32 | 1,054 | .020756255 |
| A | 140,608,706 | 0.9799 | 143,492,914 | 44 | 573 | .006888184 |
| A | 140,247,160 | 0.9955 | 140,881,125 | 49 | 421 | .005402981 |
| A | 140,341,071 | 0.9821 | 142,898,962 | 30 | 244 | .007169602 |
| C | 18,801,100 | 1.0307 | 18,241,098 | 9 | 457 | .028876249 |
| C | 18,779,844 | 0.9271 | 20,256,546 | 7 | 263 | .070939622 |
| C | 20,178,860 | 0.9258 | 21,796,133 | 9 | 140 | .041360300 |
| C | 17,367,956 | 1.0428 | 16,655,117 | 11 | 68 | .008259775 |
| D3 | 101,137,360 | 1.0231 | 98,853,836 | 23 | 1,896 | .030082561 |
| F1 | 16,865,452 | 0.9740 | 17,315,659 | 8 | 72 | .001693448 |
| F1 | 17,042,236 | 1.0096 | 16,880,186 | 6 | 34 | .009861314 |
| F1 | 16,272,987 | 1.0389 | 15,663,670 | 7 | 19 | .007033110 |
| F1 | 16,571,362 | 0.9965 | 16,629,565 | 4 | 9 | .002178361 |
| Random Totals: | 804,641,827 | 819,131,041 | 239 | 5,250 | ||
| Catg D1 Exception Values: | 3,134,565 | 2,575,794 | ||||
| Total Test Values (4): | 807,776,392 | 821,706,835 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 41,085,342 |
Confidence Interval Values (5)
| State Lower Limit: | 780,621,493 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 807,776,392 | (Within Confidence Interval) |
| State Upper Limit: | 862,792,177 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 824,843,304 | (See ISD Summary Worksheet) |
Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories